About 210,000 results
Open links in new tab
  1. Marl - Wikipedia

    Marl is an earthy material rich in carbonate minerals, clays, and silt. When hardened into rock, this becomes marlstone. It is formed in marine or freshwater environments, often through the activities of …

  2. Marl | Properties, Composition, Formation, Uses - Geology Science

    May 10, 2019 · If the new rock contains predominantly clay and calcium carbonate, it is called marl. The most common use for marl is as a fertilizer for soils that are deficient in calcium carbonate (lime).

  3. Marl | Sedimentary Rock, Calcium Carbonate & Clay | Britannica

    Marl, old term used to refer to an earthy mixture of fine-grained minerals. The term was applied to a great variety of sediments and rocks with a considerable range of composition.

  4. MARL Definition & Meaning - Merriam-Webster

    The meaning of MARL is a loose or crumbling earthy deposit (as of sand, silt, or clay) that contains a substantial amount of calcium carbonate.

  5. Marl - Geology is the Way

    Marls are sedimentary rocks with mixed composition, consisting in part of carbonate sediment (carbonate ooze) and in part of fine-grained siliciclastic sediment (clay and silt).

  6. Marl: Definition and Uses - Hello Gravel

    Mar 2, 2024 · Marl, also known as marlstone, is a calcium carbonate or lime-rich mud or mudstone which contains variable amounts of clays and silt. The dominant carbonate mineral in most marls is …

  7. Marl: Mineral information, data and localities. - mindat.org

    Marl is usually pale grey or white; it can be formed under marine or more commonly freshwater conditions. A calcium-carbonate rich mud containing variable amounts of clays and silt.

  8. Clay vs. Marl — What’s the Difference?

    May 10, 2024 · Clay is a fine-grained natural soil material that retains water well, while marl is a sedimentary mixture of clay, silt, and calcium carbonate.

  9. MARL Definition & Meaning | Dictionary.com

    MARL definition: a friable earthy deposit consisting of clay and calcium carbonate, used especially as a fertilizer for soils deficient in lime. See examples of marl used in a sentence.

  10. What Is Marl | Marl Features - rocks.comparenature.com

    Marl forms when very fine-grained clay particles are deposited in water which settles at the bottom of water bodies and are compacted by overlying sediment; the water squeezes out and hence forming …